3. The trp operon in bacteria is responsible for generating the enzymes responsible for the anabolic pathway through which tryptophan is synthesized. Two mechanisms are responsible for regulation of the operon. One is regulation of transcription initiation which involves repression by the trp repressor. The other is attenuation resulting in transcription termination, a process which involves the ribosomes. If you grow bacterial cells in conditions of low tryptophan abundance, indicate what you expect the effects to be on such regulatory mechanisms by answering the questions below. A) Will the operon be repressed by the trp repressor? Explain briefly. B) Will attenuation occur when the ribosome is translating proteins in this operon? Explain briefly.
3. The trp operon in bacteria is responsible for generating the enzymes responsible for the anabolic pathway through which tryptophan is synthesized. Two mechanisms are responsible for regulation of the operon. One is regulation of transcription initiation which involves repression by the trp repressor. The other is attenuation resulting in transcription termination, a process which involves the ribosomes. If you grow bacterial cells in conditions of low tryptophan abundance, indicate what you expect the effects to be on such regulatory mechanisms by answering the questions below. A) Will the operon be repressed by the trp repressor? Explain briefly. B) Will attenuation occur when the ribosome is translating proteins in this operon? Explain briefly.
Human Anatomy & Physiology (11th Edition)
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Chapter1: The Human Body: An Orientation
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Transcribed Image Text:3. The trp operon in bacteria is responsible for generating the enzymes responsible for the anabolic pathway through
which tryptophan is synthesized. Two mechanisms are responsible for regulation of the operon. One is regulation of
transcription initiation which involves repression by the trp repressor. The other is attenuation resulting in transcription
termination, a process which involves the ribosomes.
If you grow bacterial cells in conditions of low tryptophan abundance, indicate what you expect the effects to be on such
regulatory mechanisms by answering the questions below.
A) Will the operon be repressed by the trp repressor? Explain briefly.
B) Will attenuation occur when the ribosome is translating proteins in this operon? Explain briefly.
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